Utricularia minor

Tracheophyta MagnoliopsidaLentibulariaceaeUtriculariaUtricularia minor


A perennial herb of nutrient-poor, acidic, or sometimes base-rich, shallow water in bog pools and abandoned peat cuttings, at the edges of lakes amongst emergent vegetation, in ditches and small ponds, and in fens. 0-600 m (Haystacks Tarn, Cumberland), and possibly to 685 m in Scotland.



World Distribution

Circumpolar Boreo-temperate element.

Broad Habitats

Light (Ellenberg): 8

Moisture (Ellenberg): 12

Reaction (Ellenberg): 4

Nitrogen (Ellenberg): 2

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.6

July Mean Temperature (Celsius): 13.9

Annual Precipitation (mm): 1321

Length: 40

Perennation - primary


Life Form - primary

Perennial hydrophyte (perennial water plant)



Clonality - primary

Detaching ramets above ground (often axillary)

Count of 10km squares in Great Britain: 628

Count of 10km squares in Ireland: 377

Count of 10km squares in the Channel Isles: 1

Atlas Change Index: 0.2

Weighted Changed Factor: 17

Weighted Change Factor Confidence (90%)


JNCC Designations


Atlas text references

Atlas (240a)
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Meusel H, Jäger E, Rauschert S, Weinert E
1978.  Vergleichende Chorologie der zentraleuropäischen Flora. Volume 2. 2 vols.
Preston CD, Croft JM
1997.  Aquatic plants in Britain and Ireland.